{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x70584240d1dc950265f97ec256c917045bc34b067d909ac7ab799fde56be200a",
    "signature": "0x51dea2c15fb68147b5797c4c040f402151eaf0c3145059c66880bacb30b43cb84744c9c576ff32c80a61d07957373405018d625fa51fa35fa5036dd813e99dee1b",
    "signer": "0xA60fcA5dDC2f63444622C371FB2dD8F2D51d9398",
    "userId": "153833032"
  }
}