{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x431e5f838734f8f431fa03a200e2df04cc56342661d064e1a820f7f3c7416210",
    "signature": "0x01f4e1a661779145946313c0f14181326ac3f12d5572a08aa23a403a251d2ee50a4bbb5c78abfcf8f33118197059a852df87a60519f229f1429c5ee3d3ffdf221b",
    "signer": "0xa927B17FfF93f52Be6CdE4758a1f1cbE6a35ec51",
    "userId": "850733672"
  }
}