{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29243",
    "entityType": "User",
    "nonce": "0x8a0e4f85fee10b09915738903bb386d6669e1cccdaa468d6fa1b72cb517b9f3d",
    "signature": "0xbd838403b09a61c4daa12456afddcb35684bef8c35954087142fd83dce9b689e69f957210cba7315b59cb757eda24fa2dec3d63853c84b75f521348dcd1afe311c",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}