{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xddb91de393197c11b6312b1921fd870ae1dfd266061798ef0292ff3027ffc479",
    "signature": "0x4cec6923a0c63f606197bad542403b320db09d8fb74cdf6b9c16170a404c54a100c35a235803d1145634973506c1429a86ef339df7cb4493c8f9fee375ab2fb91b",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}