{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3851",
    "entityType": "User",
    "nonce": "0xf0e8b80cb6d00b0b5260470343622cfc87551b7707995002bb2602b65b20f69a",
    "signature": "0xe654a7d5b9c4e740700e7cb186ac283d77cb1884bc1c67657d4cddee5f9048cd5c8b3de0698eba920545bfa1c9ebcaf0202648a0bf621b4cb3fcac2bd8f02ace1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}