{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xdf0180147237c690eece297345bc4138ffe587e7cdc464e4621250a56d12139a",
    "signature": "0x00b5b451688f7c5285dbcac8583aa40ea8cd34ba6a9e58f8ae63555092da7578292716039838c499d9196409ee8cffca2eeb8d97e2c51c1b64ef01bf0fa2519b1c",
    "signer": "0xE5EA89C11125E62d27764f91F89d06f741D3f34D",
    "userId": "125637459"
  }
}