{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43541",
    "entityType": "User",
    "nonce": "0xe6005f693679dcc63b04eec1ccfe248d9e8c860351aa32e8816e7c150351f48c",
    "signature": "0xa4a0d064f298757a2238b76946eaa27e82dc26a6e136d3f903dec704d7b4f42773ead41dc0bb9baa613130293631960821c5ee6abf957ac888b3271083cadf971c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}