{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0x2f9f6c9adb883813e692fb363a3643faeaa0419ae27c1c3b8ab8be04c3f9e4cb",
    "signature": "0xf2602a1da60dadc295a15033e0d97a4649242ebe0cc3ac23c6f4370772af56d95dc33cad43159ec1dfd64e7b12f27df378ee6ad8739f7451956fe4a47b3281f91c",
    "signer": "0x6B4CB8664E41AB502212155456Fe4feEDeA85555",
    "userId": "463162548"
  }
}