{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174147",
    "entityType": "User",
    "nonce": "0x02b1d1961f7ba64bf0b897476cceabf2467cded50f2d1d9748db00843e8b7195",
    "signature": "0xebf46f0414b1bca9136f425ce3d5df2153faa02ce584c6cb4483aa12f4b313d465378dc5c06f6ba69c1af54a2a1759044ca314b6d8799c7d38c03cefe27da8cb1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}