{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "341797365",
    "entityType": "User",
    "nonce": "0xc2218b92a23dc3a73b379228dbdae1ba458f1f2928cedbcd45d2a09749d3cf7a",
    "signature": "0xd5b89bb01c152f6c21af8bf05e19e3e514e5d8c773fed725539045d630826b9022ea88fb12faf0caf32edd774df3f681a86ee528dc31b674c31ab9703aacef411b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}