{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "742710",
    "entityType": "User",
    "nonce": "0xaee2e3028dff6830299c315df9248732692807b9337e89857d6a02fc84a28b05",
    "signature": "0x59e0ba3ef31fd883024b35e2c2c71d7eb911e5ae88e6638a3f8098a32a42df075b89e2d2e5f99d0d2e49470f12721aa37d8cf714b79610638692652a3fb7f72b1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}