{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566075266",
    "entityType": "User",
    "nonce": "0x3395cb5b8fff92365b41c82e39bc6dfbfa67db1994b8942e4882e01cdd901b8c",
    "signature": "0x08130583d0ecae31b4926d084e7812f40660b41861bf946477fed95049e131e044385554f71a257956ddde13ad305b2cd172ab7d5db363e99c93af64f39794a01b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}