{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x26aaaf21283d2c23164c02391bc9000ebf2ab9f456db006d7cdb8bddb8602f20",
    "signature": "0xb2280607be2a10e2807eb3c65263ba1427d174f0d9d883aa2dc8adaacacad0c63b14c5536ba15767c51780bb0808d2e61940c495a9e20b40ea54e77b611e9bb01c",
    "signer": "0x6af61a1BfE52f8D07411A6551040A9Db6A5a3100",
    "userId": "985299453"
  }
}