{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916060975",
    "entityType": "User",
    "nonce": "0xefd373df51945d555a0baa1227d811f094d947763a88380b0661979f33e941dc",
    "signature": "0x2ec13d0abd723bd88b139c3306fa0e1ac6aa74151226b789608e7ff92216745b051d3cb3eadd0c0c3f0f9630e1c554ea99cd6f59b0fc80160de7e155c873fb2e1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}