{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd99158d263050295d0773f5d3c629a43a1f6db7a7c89b2498be5ee618f8d65ad",
    "signature": "0xe1a30bce2befedb9489288cf777ca5c7c760d5ca90d1ee255ab39b9ab5416f003061ef61ee7ca8ec1c84cec1d31afc23352aca8aa3385648ee83dc47501689901b",
    "signer": "0x46a1d4524F4625351633B89F569ab6939ED37C31",
    "userId": "367230059"
  }
}