{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113309",
    "entityType": "User",
    "nonce": "0xc21b9fc2093f6521dc4b5aaca15a4b2e8e9d64a9171f9cc214284073dac67a2d",
    "signature": "0x297a7b01ee20e4c967531918cb247b7f2b9ddd3e5a2a303b73f1673890a0e2d2411dfaac08e2ed94effe271f7cb3714fad4ec34d5df8e8e9d1f6a29cec5b14d11b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}