{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xc706fade0c22cdbd0217f37957a7bc1fc809948a604d0833540e040ab2518999",
    "signature": "0x0dae46ef49f4087be2f3312f949310d437d6dfdfc79cf7931bdc2f2a0f720f49253e14ff14b1a8434d57dfe6d1cf4c2a5c00d53b621c7367cce6f4548c04753e1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}