{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x760213593d012a5b1d5428fc997b1ea365e5a5c07552028dbbb3aa6c80885b23",
    "signature": "0x172ad2e8701d32c1ea4ec739162ea7aa1edd99e48d6efc86e581e8dee09954cb6e2c3fececfb656e7649abac739520b043474e37eb56cc1739ac98d599d42cda1b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}