{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89655",
    "entityType": "User",
    "nonce": "0x00b82dd00606351b2fd00ce0fbbb734bbdca4f3d0cf55f3972d602a915b24d03",
    "signature": "0x1a464a890b70ec95edce3b225e63c4de5627b27f06d77d56b45300e6ae59815a12298f76f1a1f8c50a2c56aef3d2d24fcb3489d31cd1aa8a26b16c9c02ea134b1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}