{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1696734",
    "entityType": "User",
    "nonce": "0x664bda75842472c05ee2a1bfaddbb3e90af5fb8a7f9d47428d7c6561b032b469",
    "signature": "0x1ed1728123b81269fab07400f1bb736bbcc2cfe21f03074758ff407010e454e424b01850b43143668d750df28aef6bc07801b3640b90d89ecc1da535a7e342c41c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}