{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6171953932af41d936bfd338ff7cb783a41a3b8ae14ee72fb238a5adb6c1fd2f",
    "signature": "0x45e4e273ed49fc47ac526adca7da51b603dacf02ada84d00e0621bfb832f01501ec83b4c938e433bc5e17d2ec0f3eb5f4f384a5c6a32313dfd0eb1da6da869f01c",
    "signer": "0x2f7f0e01e38DB161696E302499821B025Ef9b9A2",
    "userId": "858031702"
  }
}