{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xf59bd871048a670552712713d5d200acaf688dbda4c96766677795f0628b30a4",
    "signature": "0x0cd2052bf2d153cc46370a92a702e5d1e5fc2ee3a04e8425a49203938ac06e974c8f51191c55d28f0ffbc7b9e7115de1dbdb37a0b19a74522e379ce2f9fc57361c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}