{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2276",
    "entityType": "User",
    "nonce": "0x22101877936a1e5f15a05a7918f4eca89b47d5ae38590f7d48669d4a55958f24",
    "signature": "0xca466f08fc080c3db7a4720e4114bf0cc7d87eccd3d09502913b7bb4c238528616a52fcbb233ec69ace2ca7a5de616f8c4469cc6fb49e6589cfad455477cab701c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}