{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x86746d42317b19b44b2b91c207226664ed07c768b21e66b8c3015a854336ee24",
    "signature": "0x0cc87b348a87d19a0a446e56f2acaa053942b0e4cd36d2d66b4958d8e63246eb4d39e218f3a23428d4244994ae443bdab5f43886dfde2e8ce2363a697d91403c1b",
    "signer": "0x65713D8B67e43F161145FC092a5bEC88993709F2",
    "userId": "230642444"
  }
}