{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xf15fd4c0c25aadbc1465aa8b449999d5f4d4643b9b88738ad7c291f79dcb12d4",
    "signature": "0xc81667a77fde014af161fb05474c474607a19d08eb6673512a0e0c1d3d8786397ed82f4c7efee788252c688b31806182d3630c37300d4813db48573f8e403e4b1b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}