{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "561994046",
    "entityType": "User",
    "nonce": "0x4e7e4f4dc8c626a1d98b6a71b347eefa982cb0007a0fd8a6d13d505128f2baa5",
    "signature": "0x2fb641c0d62ca0fe0a6754c6e603dec80b2eabb82af0e3f9d3542b58df9e277204c488e977a1dac0ecec19df52aeece36e23e8e55474679482d6e3764571bda11b",
    "signer": "0x970e95a68E86A857D7a6A78560609c220a3846a3",
    "userId": "33168"
  }
}