{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x78a0966dfd66e324fb03a5e19a88c9e3add2759db88ba82fe124875696e9cd0e",
    "signature": "0xa270c7c080568b6a099bf27615d55eaa2211a37c297ab3f06e7d37d9f625fa6d03a0412fdf88e459d23336ffbf8cdc9214eff646792b6ad0ec4fff3259d712991c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}