{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x5d839f78c357aa74596354f77a2fdc74cb817804aa9062d53621260b44993765",
    "signature": "0xd2010f0089884ca30ef8baa7a07cdc8e6bf3cee83803db73a2d86ddda45da1ba691c042436208e6b5ec29dedb6d50619133aaa96b8168815ed9252a10e80ace81b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}