{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10373",
    "entityType": "User",
    "nonce": "0x724e31515a5cdde700743d6cf13506089dd98f868514115aa0375f75129c04a5",
    "signature": "0x8f41233d2f00ff0a9f9210a65e476d220c08502be0406b83ea130082ccee9e12663adb53fd6ecfd1dbbd77cdf51da6ba58823678a04ed545a7fe1e3c7586794b1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}