{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136893",
    "entityType": "User",
    "nonce": "0x5fd898042e1abffe2bb2972604a246fdd887b88511b091bbf998f519050206cf",
    "signature": "0xe6bb6a5c4e637a80a60d1bb97f3bb08bd2bc66d8570545552d42fed21dd7051a32b80879ab37f7cae265ef8ceea647fb645d7c3d45198079c7f884b7f7a3b8fd1c",
    "signer": "0x3Fb3207A8557F9337Eb0c99d7b8645A199aB16bF",
    "userId": "992315524"
  }
}