{
  "manageEntity": {
    "action": "Unfollow",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0x6669592d872418d8b312678679f0a39055f971fb3584e1b23ab5fbc57bc04b16",
    "signature": "0x7607892100ec0e0b0c90df09275187e05ffc910e08c73aaea81d8388067ac6815171b6d0b2755c30a566e8a857a167206d705c0029c25719601222542a5030f11c",
    "signer": "0x4028cFd4F603D45b7A2A3798831Ca315097e0219",
    "userId": "12319"
  }
}