{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120527",
    "entityType": "User",
    "nonce": "0x88e3990ea67d446db7e4e078944e6855438f0a009dc90ca23c5b672d9d8b6cf1",
    "signature": "0xdde48bf93bd7bb7cc95bbfba2bcfd181adaab99465801f15a7897e1f70be06ee0b4386e87526a498e5166fbeb94b2b25ee6e505689e2c9cab45db64e69f68c5d1c",
    "signer": "0x69D7699156fe9a786da8cc3ee979eaa512E6BA81",
    "userId": "6137592"
  }
}