{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0xd4de274af3b4781cb078826d642a4ea1d2b907fe9a08ae7d9b470f3bbe2b018c",
    "signature": "0xe77bac55afc491c3536b5943f7060e3e62791fb4941e33f49dad9f0fb504c4140d0f482c7eb874afdbd60701f3ca4cd3a137fb658e217e0b15d7df9e29319cfe1b",
    "signer": "0xa46A0a594054691B5d8AF411eE84afeBc428C090",
    "userId": "974135633"
  }
}