{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126153",
    "entityType": "User",
    "nonce": "0x99522fa07d6c3e2b05e2171dffa9bf00e19921d13d83361b573d55c5da530222",
    "signature": "0xfd24d5852999a3331d18c4f029c423470b4f7a073d816e027c34fff736c167920722554e77af40602a59353ed80d199d4064c4680270291262dd9c000cac1c3f1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}