{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67202",
    "entityType": "User",
    "nonce": "0x5155cfc6608703777725096091a084c4a1a6921bd2b7fe7998fe5700f6c9579c",
    "signature": "0x427a3d92d597e18b49f9499a64bf6d669a9d634066bf56b980019ecaa5e7d20417cd3cc5224692b5fb4661e3793c3cfcc5c1332f9f72eea1663f52bda06289ff1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}