{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "592205126",
    "entityType": "User",
    "nonce": "0x774d28819a0d26cf5e5d90bf90ba4f52a02e98ee1bc9c47daefdf6ce43bba390",
    "signature": "0x596a8677d2683e6a092ce96bdc7a93095b465b4ad5d3b7f27f6d6fdd0ec508f269f1435e84b3392abc370c3c0f1273758a535b1dafc6d7b4a8dc2cd675673c841c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}