{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547969682",
    "entityType": "User",
    "nonce": "0x0208f37bf6fccd1000ecd1f7e4892e5d7ee4a785f18d8c6765535851fa21b75f",
    "signature": "0xe283fbef030b7267d43dbdbbe380e1b91c8bc5ff586b784d27e781d8ee68263351387b6560f8fb56b22f08e34b82b7e5e50d1aed8f9b5874726dafcbc4b5145f1b",
    "signer": "0xAf1f176E32866fb97d822F6f5222061aF11ef652",
    "userId": "954117045"
  }
}