{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0xca5711ffe99fb587444ff077b4eb10188868e416134ad2a566e17e89c9c7cfa7",
    "signature": "0x85577162977fc1ab8b0918f7d64e5962ece2fabeece4b32e6bf81c04e83bcbdc75e6469249d16e14a3ef681553cf786901558098eb4fc59c4af7bfa69d125a861b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}