{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0xc7f7caaf64e34fab70f86caf3fc12ac6d8b7b62a9def2a7f5a5f06290ed66bf2",
    "signature": "0xb6d1ca4380c196ee6664863e1246c78f2548a02319adb176d19ce47abc5745e15894a523c87c125d50b207e6f65ae27b3ec12af4a863acd0a96c5b2e3fd127a11c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}