{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "902394094",
    "entityType": "User",
    "nonce": "0x0153ca9d48a75c625d65084ff96911e6680eb819012b0aa39450c475bcfceca4",
    "signature": "0xc46d04d20afdc8a8e1762a924e068279231bd637f074d96fd0b1985f6b53df74049a686fa64cedafed984ec89a95aca6963f8dae41f5dde021b21bd5cddd72971c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}