{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x7061eea97c5a0486e25b538bc49d11854aab9d1ad71197d65439065c74d5352b",
    "signature": "0x956838e7e44099f69d24a65a762ef3a093a86b69726de7175d57877448a8922129c8600b8bd6cbae683470ed5ddff54b8f33bf43cfdf8c71af62dfaea72dee871b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}