{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xe507953ebff961aa6d4650711304bae5b57aefb3be609db96c1f982c816f54de",
    "signature": "0x3c1e0bcf1161c0122b60e81a7fb5d97c42b3c95f502c2a64957eb4b82ba8ae330e078eb25326849c14ab78e1f910d91f2daa589a6b893187f09e1fb6d856264d1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}