{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xffc0999965a69d9ced27a95df30949ee29679af8cfba13a9f84e3977abb1ebea",
    "signature": "0x7f6103b3439b22747dd6a84637fe956648542e97ad29c234c811dd614f1e53fd6d7c86226e39a2b0312683f6e7058fc27b05e964e14ce558cef495808d79fc2b1c",
    "signer": "0x08e1F32091CaaF64b318beD70F1ce2452D00EA7E",
    "userId": "87601355"
  }
}