{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223946715",
    "entityType": "User",
    "nonce": "0x13e4b7777418c4e9e96b4ddb3f4bad8384dab3af73d7ee02174260cf6ffd8285",
    "signature": "0x0158aa30dbedd1959bc68cb0fb9e2d164d1edffbd1a827096707036cdc4ab76479e4a4361e5462c3172c9445e384ae38f4538c281397420fec7175aa89ed10c41c",
    "signer": "0xD0f51E232A92DDc965FB1FE51d04200D15d10fc1",
    "userId": "536634479"
  }
}