{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x36bda81dd50a5119e5187ac1834ade2d9153d2a584454618a676d6d92f020710",
    "signature": "0x887f218891ae5dadf2aa47cad95e3fdda4677d392a8631d5fe29685f09b2be8b47e440da7fa40fe86006a2c6b7b654d00fd395d9d5c056df35892b37e8da85f61b",
    "signer": "0xBeB3a01EA4d450c04cA3ce25e2A3B1167762F269",
    "userId": "18002602"
  }
}