{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133392",
    "entityType": "User",
    "nonce": "0xa7826851e83b57d0503f25a36d4482b9648497e4f686f7558cbc2484371171b4",
    "signature": "0xf6a6fbf1710ebbac2993935de80f157adb7ddac7b5305817bbccd75cd2c8498867bc9e7a5f6ceaf35a16b0f18dc1814ba535e55d081a8941bbdfa4b6eadb80fd1c",
    "signer": "0x0FFf69aAa5C477973508e64c5cC9E5948d1Dc65a",
    "userId": "901483974"
  }
}