{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "991821949",
    "entityType": "User",
    "nonce": "0x82c2f72d42f6d6c1d8db41862317237474db3826602530666e982f3be0d4db7b",
    "signature": "0xce5a1c8905539a2f8ab05950aa00a6a643a020d6a982c0616c2c02c478a4ecf378e9f4a29f2010a3d9397ffef0bc8229619d51aac608ecdcb5758e1347fb1dc11c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}