{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3ec628992cb7ac03a5baf831de9a17f6fef882d6e489d31898ab43951213b4a2",
    "signature": "0xb42c8cbf94fe8c581cfb2e131c50c1e6d0eb92d636763df26243c0e5c508fd2078a07d92b69f4c3ebbdc8c9a378599a2c51662307179dde5fd35d6a100643bee1c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}