{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "426688623",
    "entityType": "User",
    "nonce": "0x47693eedd8bedf07d48e759697eb7acc0f3b694daf5036e53b0aad92e11f674c",
    "signature": "0x3fc2c927523a6438996e987de936a6eb4d617c984f7ebd0df7923f36ab072d90562515ad706b5b8a2a88beb4b45bedcda12e4990c212ffaec78b9409c31106681c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}