{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "93920271",
    "entityType": "User",
    "nonce": "0xbf6d69abe43049d2da6a30653b25c69423ea8cae5d2a5a12a23adc84e1763a8f",
    "signature": "0x9ce6f905bfdd3a81a5a5e259bb94b18dcbb81dba5d4a55d2d40099992789651311e344d13e211b8e93d9c529f04ec2a15e5eb6581caf9130163ad9325351e0b21c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}