{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xeaa843f8de9caafc65a36cf13a22881f4796da4bc78300191dfcb2be2dd6d361",
    "signature": "0x65fa96ac1fca82732e7b89362cdf16d35a6d128588d4c7204e6e642d9ab08ecc1418f1d53492993dc67779a89d7a2ccc97074da98338a06b09a8231cda8a4ac11b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}