{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385952",
    "entityType": "User",
    "nonce": "0x141e7820a16167d95e163b1dc53329a34c4fd4e11acecd01cd6958b9fa41f3c6",
    "signature": "0xf9bd9db2757b5c999a4a0d060a1c39b4e454116646418f66f4c2f792fd61219e4e2fc5d423e362370b47cefa87bf0b8242487d16f0adfe2c65bffb0ba2adeecd1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}