{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887267980",
    "entityType": "User",
    "nonce": "0xe843337637fd564497f366bee54b2c4ae47770072b94d8a3716faa41de2dec57",
    "signature": "0xcba3c0421d6cc6058a02594efb25ab7c686519cd9435b6484d42f5977a0cfd3a6232c40029a092f321bf9cc556ff548e34566bdbf4fb216d8f842f6127b97fef1b",
    "signer": "0x91A0243d0c4b44cB682cB60883cB72C26a8Eda55",
    "userId": "298293683"
  }
}