{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392153838",
    "entityType": "User",
    "nonce": "0xc74f77de0b9d6baa6ade95bdd1720d44be47f08a59f001765975a93fdf2c09df",
    "signature": "0xd2d3786fc1ec67b047b7395f618fcfe46844b7cdbaf5c851f9f0568aaad2ce1a0867c7743e283bd937b6e15d2dd254aed5145979f38e15bea8813f797a03397d1b",
    "signer": "0xF7C299AB5282FD59254Ec0098FC5F1B997682c83",
    "userId": "61898"
  }
}