{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223236",
    "entityType": "User",
    "nonce": "0x7c2256067ef4c3351b4eb074721f98885a812e1529c5b757af8e3d911d40a6f2",
    "signature": "0x85b0fb63c4b6da204eae258fe3c8c671bdd19ca08b56b61597a2099693de6ec103fc3e4e315efe2e03b59cee87bcce0dd4e980c607506d02445f08c4457270641c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}