{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161764",
    "entityType": "User",
    "nonce": "0x789793c6652c3cb125b63e41ae307748fe6aa4bd157881ea40557efeb8e4df86",
    "signature": "0x3b41320a21e934753f4735de33aad57de19d8856a3d95fa4082d46a4358990742d8eb203c1f6f26d02e3702b7df89f33d7443653bfca2032deed9010bb64681a1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}