{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83596",
    "entityType": "User",
    "nonce": "0x480d5ea0b4df23548bc1616275ab196bca0fba2505f797f7282cdcc8679b458c",
    "signature": "0xf7fbc446bee2191044222c6e05e21f46fed524ae2047ebe6ed10e474ebc6d1da32c9d0a0713d6626dfa70f4312b61fa78ab90d598c3aa231a49edb59d16f3e4b1c",
    "signer": "0x599AcAE6Bd3db598aFCa7e4fF9Af46c766a941e9",
    "userId": "708112906"
  }
}