{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x9c1ec3578b5806ce8d48835d95019198c902efb800b882a3eb3231e801e81452",
    "signature": "0xb7252e5efdf85d8fab9a13cd737db4ea4d1e85629ac9b0a1c4d64594bdd5cea23ef9e11f45c2248c7ed9baeed5a530b724fc55c452bfa8e6b7e7daca36cf9d7b1c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}