{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1981d3c84f14258df7b98d6b865260f253be686b53278047700c9187337f4559",
    "signature": "0xf544e80e10f06f8f5bfbd752c33f7b9b7b818bce2a55c5204f8209a2b8a747212773696f135e3846988afe7d551ead423ce5578f43b72fdbd3643d1c22134bcb1c",
    "signer": "0xC96f153a5f305821032Dd799cD476fD529670AdF",
    "userId": "434521436"
  }
}