{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143226",
    "entityType": "User",
    "nonce": "0x7e5af717047aa6c4d1ce3af2f0069fdcca034a27fe546dd7061d62a859ab732d",
    "signature": "0x14fb806e6c83dd547944a110ab9d86d172e4f6f69d1e2ecdb13f3e25fcbf031c2558570cf31ae2287ed9a2632a1ac78a0578bf3665e502a816e14fa3be1b700e1b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}