{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136930",
    "entityType": "User",
    "nonce": "0xc8a5112635b9e2766a2322d228caa7e109f57a9cdcd76eea47efa2fcf8ae4207",
    "signature": "0x5f9feb3649008a955c3746a1e53872620955df4359bb9c5ef0bf62a8fc7d3ba502787b45a55c182997c3e464853681c8392a248b06486de7c48cf8b9c347eb0f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}