{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x88634f0236f0982c40921aaddf528839d3937e8c1b8698abeb17ad7fe5e6f7b0",
    "signature": "0x68018023e1d17cf30dbceb5139f84a4997027662e4e374604b9ebcc55c7a51ae3c85580ffe97bdcc67af438b47d96a54e9255dc4eaf758436a7aeae954e1835f1c",
    "signer": "0xC888d1fD9065F0AdF661c54a6bA27c25E56ba3fC",
    "userId": "956687976"
  }
}