{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111768862",
    "entityType": "User",
    "nonce": "0x69f7318d9b2e5366d2314cb3f4583783dba8e7e7d772db5c9d82d52009c8c1e5",
    "signature": "0x0f60bf94b3a44b21f41f3f49f15e3d0428252d845edccd966823da48216042705640c5c3383b1318a703efb8f9d196d880e86af7e6552f599c82c24ca9a1b8961c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}