{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65732",
    "entityType": "User",
    "nonce": "0xdbf42ec6c23f3d334a2e66133b4a5ff26a85bc8f21975dc928ddfd34ba7b268e",
    "signature": "0xa425346f1244b42697ea3d61783d0fa434297daecc0fbfa1ccfddfd29ea5751901aa71098b0eae335af53ef7e481a9eaf4c118a9c5f8eb6ce86bd67655c48f4d1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}