{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127591928",
    "entityType": "User",
    "nonce": "0x30d850cd6a7398fd594d10d5535b57274bbb5fa0101b4b1eed3dc00cb89ed261",
    "signature": "0xae97b800a3ea72a2e1a4ddb1f8461378f95d1c8326e1bcac78519a474889ce06013351bb1f68e564c291ba8e929b0a9f76f8db0f05bfa7bc156891760b1994091c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}