{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0x3a29bd1c374a2b4269ae69fae196920f8a2f0b56c086ff600da28985d3d6e244",
    "signature": "0x87db6d8e609821704bd20b00fa54a76e020ecf51807239efdcb9a8f4fd9442667e4cebe74f0b58537bc7e84bee1b8026abadb8a5a406a534b446fa63c20c28601b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}