{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8017",
    "entityType": "User",
    "nonce": "0x00fa7d64bb4a7029699a4265c5b111c7a7a4c998a04d1b36680444a25000e7b3",
    "signature": "0x582a07c2a283b6a6c95832de0c80597179ebe56d4bb21d3d2f457552f15e2c451ed55c02b207b76961308c9a5205a4589bcc4924adefbabd94852cba3f4658bb1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}