{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x0b5eddffc83dd3820f64eba2ad9776505ed8994f3d0bbc02b488d76e6b929606",
    "signature": "0x06f7f79c7893a40f35aba6310480754c737c504fd34c00e5d85fa8e77dab96b07c3ea643c6beed10046e032765347042953ba76cee6d0c8ff9f449a2d65c96fb1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}