{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x14b841968642731446361f47e6914d61d62c40fad97ac269e6d22e94495f96ee",
    "signature": "0x957a7e007199a7f39419c224f37550578350373a2a45dbc331535b716083c5d9043f7a1557face294707109344c28fba247056a7a31bb34cf243798a0bf9c2fa1c",
    "signer": "0x79d45a77BC3bf63157423b7Eef0ffD3a78067C4C",
    "userId": "53713679"
  }
}