{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "565163049",
    "entityType": "User",
    "nonce": "0x5915c101e02c33bf82fa976d21f9adbb1d0a65211193c6b60185ba0a401a7f9e",
    "signature": "0xc44f047c1e1b3859b85e129968309d33240babe0eece73de1228d1c3464da0223e2c703f6f714734014f6ee1f8e9865f396319516b37bfa286e903a124d880531b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}