{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135208834",
    "entityType": "User",
    "nonce": "0x81e67019d1c0e10228f2ecf42e98cb65fd765e306ba051df40b1147a4edca053",
    "signature": "0x1c2e5dd66c5c1fcac6237f5f1b32e64a39ed0045a1c88fbfa01841d36a097f7176fde27881c01f30e5fd791a8afa5545ebce323b3fc2c15812c26ab32fa9ddb91c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}