{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xdeb8b80f359c1004f6220d6fbee8843d1bd45866a2c39764b46e5d20229c7aeb",
    "signature": "0xd72a0e15173b16a93142e37bc286d2cebb0565f6045f8806fc34ebaf148162052939e1aa19332293aafc14339c22f628c26491528eac2eefcd60c1645efca0c41b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}