{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109089",
    "entityType": "User",
    "nonce": "0xde46f06f909fb25edaa6aa73a83b990217f5f07b84c9a12db602425a39b7a1d6",
    "signature": "0x1e140c0a8f721bfb169c3556e7ebc32a3068fe373dcc01cb1f9d8812335e209a034cb96af205ec3b7319285ca4336042736cc6fe6b16aebebf2a8d2c9e01bef91b",
    "signer": "0xb90dea25446900B58b936FB95262D7557e6115B7",
    "userId": "559908939"
  }
}