{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984215347",
    "entityType": "User",
    "nonce": "0xce0a3a341bc97c9fb54e83cb4ac5448859426baf17c346d81c0bc0808fe02e37",
    "signature": "0x48a661e7053607515ba4dd74350d368df83d456adcadf76afe428dd8d22c407d7869efb5329eb1f680b7628fe9a7d5f4fbfa74e5cd6bc4454f289da1efe326b91b",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}