{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72732",
    "entityType": "User",
    "nonce": "0x99612cb813f646b98b251fe29ec2c66c48d1c5717a3bda2765f8ccb3b3252daa",
    "signature": "0x7eedb8cc1aad1e9095c4618af69dc5b711c078c8bc10385ab57733414b5f7f3c0a7dc2793f7967b6adafdca8b1021460653d3bca52b171e39c04cf1d528159bc1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}