{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71456",
    "entityType": "User",
    "nonce": "0x3711380a646f9062d12c142f1c1a3dd18d035c1ab112ab7df4c9bf1cc23287b9",
    "signature": "0x49410d40df82d444b04f108433460d477873d70be0c22f43e639d6ac8eda2897209f155f7552602df98fa2f1e3074e1d193e973b19f1ada4894dc8eab4f25cae1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}