{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55689",
    "entityType": "User",
    "nonce": "0xfa3edee487a526139cd78eb8eb58b2244aa162cf7073545d5da25eaac2a90978",
    "signature": "0xa7979fc097833c1cf4bb1ea782e86cb0e63004a7a145c2029d94cc679af6936b616976c29d64f22c50b88bc16cd476c017edf140e29767d3449608909345dfc61b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}