{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdb14e465cfa758c43d9ef0042bfcfa19ff4892e546185c0f77a37745f65a93b0",
    "signature": "0x145bf3c529a3084539630b977fd0982cff7f78f0f64d9964a4cdce1bf91905595fb2b858724ccd3b72a2dfb23bf139a581077c1f03ec5cad69227d23b3d3c5aa1c",
    "signer": "0xeA53696a754841Ae9bcfd102450d7859aB95681A",
    "userId": "417395903"
  }
}