{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcdea926813552a56d2db3a4b2f86e2276e06afb0c953d79c43b59da76280b7a9",
    "signature": "0x3c16f49ddf31f1e81f20e1944d7b7ef2bcf303adb1292d191aea1c27aa931bf22e059a2f3bf76c60881c8a3849f86c8f9239d099dcac172a12df4ad546fcab791c",
    "signer": "0xBA1832010C7f04379027D26751bD62131729F3a6",
    "userId": "483686555"
  }
}