{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x5d14ba12324d156326216018010c2c6f921b3d811643ff07f752116fa78bab18",
    "signature": "0xf07af75dac1ed0fa6d418e6ee7910c15b61ed423a5fc8c66b393768b3ecaa21c48b51450e7d10126152e4b4f23eddd3743d619d3cebd75fa46fe15a2f89228a71c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}