{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0291f46ddbd8b3053fe961f7cec02376dedaa626b949a8759a5aca27edfcd40e",
    "signature": "0xab9b3bdd33395ff1d266ff9c5d57108d5445307b91169c546ac78753769bc24051b0b49067cdbacd10795e5332c08c6dacc935a4e0b46199fd57003c837799f81c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}