{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0xffec37b3cb549c74fdc66392a3cd97009c2af0fcddab98c68b341d3f82db886d",
    "signature": "0x07f298d30c4a24365e064b628891474a4b0e769e4a55994be676ae2e99bc0d8a22735579991c353330e30b744df281ff72f5d64e6ece6fe4fe5f392c9227d8711b",
    "signer": "0xBdEDA9FCB76346C79650651637D11Fa62F197564",
    "userId": "138691010"
  }
}