{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116500",
    "entityType": "User",
    "nonce": "0xb71df7c5c5d86b433e5430a6f5233cf8698a0c3553f14dac4dc03df5b6a722ff",
    "signature": "0xb675217af685d5adfb08e7253c6d8bd802767ad7596442319f5bddeb94486eb87c5bace35d5347cb9c581b7bb2f0b5c8aa80d3c84666d19691de50f6aadb1d8c1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}