{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfa562eb0fb2d9849b00254e767420c9d0f0536193ab73a17b04f33f09bc02e1c",
    "signature": "0x2537338be8c2307b57da9a0c3811ad182256ad4eb73dffe3229c22fe5d1244e67b14d7ea7cdf79878f3a7af23c3db2b76f3ba4e80694834da8c46200ba0af1291b",
    "signer": "0x7236f33AFc69e112EEadb51267423A33BaC3CbEC",
    "userId": "583435112"
  }
}