{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108164766",
    "entityType": "User",
    "nonce": "0x3a915b1aec304f4f79eb4ca71d20f733cf69fe6e998fd9029b041ccdd86a35b2",
    "signature": "0x79bafab72ca89da63c5c3b1e6fa0b1608c3f3c8c56201000f72de2a98d46bf76110679db338b93fbba96ee2f3596b705b9d0d7fadaf171f5ced8a81f167256c71c",
    "signer": "0xeB19B44f7479B2f07c2a9D2CE20E42244add392A",
    "userId": "460208108"
  }
}