{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53021",
    "entityType": "User",
    "nonce": "0x4f7868d45dd84f45fd86211cc61fdac1fac05a06a0d36cd1a5743dcf10c02ab9",
    "signature": "0x1e88be43d482309d2ff3aa910c76a2aed74406f9ad904dbb690822f5b92053fa329033bed9df20eae1dafc35cfb050543c02933269440c7f19032199b5468ff01b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}