{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "977626924",
    "entityType": "User",
    "nonce": "0x2ead8cd217cdf349c51a9483db074100b63335b4fd83a77c68a002d555b6d5b2",
    "signature": "0x701c6dfdedb202bc3b15f92affc1f5cb5d53261eb48b23b7c7b015708e64a8f637926ce08fa6fb8cd75532da252b7a4386fbb993744837c75a572c897c12b47f1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}