{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe66559622248e1917396a6f3bfa883cfa9297b93ce48c94b9d20d8633d75de1c",
    "signature": "0xb9dfe483d8ce5d1babc277d85040198d7a15370aea70b93fb68eda03d1ad7058208920da6d5f247912de04493d6fddd8b3a55880c0e67840960868eafe672e4f1b",
    "signer": "0x26C6e9F9a6E3854dF4bC2e62742f128a2C9d9BFB",
    "userId": "465074020"
  }
}