{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106099",
    "entityType": "User",
    "nonce": "0x71c028d0c94ddc39924b1a42f3d1ad9d6d599ba1f1f0b7388b7d9ea8201ed0de",
    "signature": "0xe07dcbd6dfc8acbadcb7c7488e510ff0930d1b3098346f4b7e619f4bb218ace175e59a3baec8cf94e360e58f8b5f907ed1eb085678f67a9b2a908c48e804e9801c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}