{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf00f83f196bed42bf0261ee59ecf31db7cf9000f79813776b1f667fc391cd8a0",
    "signature": "0x91c1f77af7e828b1ace74f73036eba27d80a5c7aacc90b10c72c4722b4e20fd048060393c0a113468dc9d7f181b290bf1471f422863093a88c43c85d5cb964e31b",
    "signer": "0xd5074a35b24E4A0a285635E98da147d8AfEa7A5d",
    "userId": "704772550"
  }
}