{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "725217893",
    "entityType": "User",
    "nonce": "0xd6ea44f0fabd7c2d091864836dd70f4d19c4feb91fbc79a3a59fa43d68d714d8",
    "signature": "0xddd26153536106f066595d624ac2457927c79d4368a457bc06c2ac80ee564ba95787c23652f04b48c40fe9cedb1d0ac6d1fffd8f084196b8e1ad0dcef9f3a71e1b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}