{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0x9a408f8296b89d98e26e15391d7b17118008025308aaa1586848984c096a76f7",
    "signature": "0x1170b98a94251d4ca9e5a44ca0c6b879d94b5f1db161e7ece6ab880dfacff250356017078510bcb2c1d4ef25d7842dc63db051e7327489372b486c18e7bf254c1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}