{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x86fc98ddebee2192a5f7bb0272fc4152b622ccd05357f011593768f75d11f1ad",
    "signature": "0xb2e6ca5a9bb8caf5f19d08c6f8debd481575d2066bbfb2fe98dd4992f2294e907619617c1ef9a29bae3bff2064b48b2509192ae2cdd77b2d3c56f085e878a9681c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}