{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296186",
    "entityType": "User",
    "nonce": "0x37358588a723c0dfd8df4fe99eb2fa2a5dc3dbe492c8d56ca1fe047336776ab4",
    "signature": "0xdfa1b7113f0a7b63fe6b4f1a424fbbe500ad65c4c1857c5abfbaa5a89963d526545c019a38f6adc4c56067fecfddaeba93eee88112b9d3042c51476bfb4fb78a1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}