{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956002390",
    "entityType": "User",
    "nonce": "0x7e16d8803fbf69e5c085c88ec4b198bf2e687fb178aa7b8ebde052c0e5239625",
    "signature": "0x3887b1528b7f6e2641c38b5869208103fd4e0072182b15f7fe53cef220ac3a1c057fef28e18a82f853d28461d8641e13b6e5da820d09b40d5555da5e5ab431911b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}