{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125958",
    "entityType": "User",
    "nonce": "0xdf8cdade2c9da774130703a38f3546e4b6da1bf1d9b716411350c8c43cc5baae",
    "signature": "0x9204dbe17bf01db298deb39c894212c80d4cd25a34db749611690381212d4bb7143926fe5312e60e47b5903ec62b1333b2ea125946739468780a2300f4c535a91c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}