{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73927",
    "entityType": "User",
    "nonce": "0x1e390d0a146df448a4d60b0e2c7dca3cbabed1ed9c6d94fd576208cb41071e46",
    "signature": "0x8f8a81b01f6f30d3a9367548a0784aea59269decec776e953be5502b7b2f84864f0379132a9a1da3fad06dbaf22ae5b045cc8a2690a2555789c93b2d74b063b11b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}