{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0x898d1c59569b11f926f3362b044ff26a19043e147e12485e282f8d7aa239f2fe",
    "signature": "0x0e7c17dbfd4bd92cfbb03cd9c0002835585611c95c8679dace5c3dacbcce80df06d9cf517ea44a81e6d04add393e1aa7e3bccb54077c807ece1f46c17a2376741b",
    "signer": "0xd32819732210Ea4B81f5Ee202a2bcb7704aFEaA1",
    "userId": "714016562"
  }
}