{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75768",
    "entityType": "User",
    "nonce": "0xcb5657d0b1ded69ed5be53794d4be2e03c8085257d47b09f9e04ebd0c5ac73ee",
    "signature": "0x57285d3f8b08b9ba6c08a2816390015c95127991663ce0a6d71f36ff105c50533ef04801e5a6f19c61d3bead0d617c41550e264b04dfd772b507dfba10a6408e1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}