{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x8ef9fc7cf2064afb45056f2c8364e6c4f3a7a19fb9a89c01bf2ec7d3b46d3ef1",
    "signature": "0x09d8fdc659a6b8ac59ffd302295c53a3e7838bdfecd25e761a32498aeb3e43e9057d7455c4204178e29c542210657f90d4ab5ba171da33fd9552ddcee8d56a711b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}