{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "417256310",
    "entityType": "User",
    "nonce": "0x57a71556a619a20e3d39f68ccef3825aba7fbd534d156fc7cbe83dd3a2d71f8a",
    "signature": "0x1c902e3232402c73f41389206644dd1983781aff9cf93528cb910b00dbd584b77bc4092194c2bd4946ff5332ca576d1d74aec050cc7590da7618f890546095541b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}