{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x04c5894e1bd1767236c95f8fa3985ba2c62f21674c359ace9ec11518274ce0f0",
    "signature": "0x1436357c4128bdc6aa8647c35c6797415c3a35f3cff41e8691b05a098232a677129592fbc991e19d6380a83f90961468798d78b116a83d2ff89c8140702db6dc1c",
    "signer": "0x54BF9B0EaE7DC0d6695ede587b0f13d57e94848f",
    "userId": "96649040"
  }
}