{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "790095143",
    "entityType": "User",
    "nonce": "0x5fe8386c6e90c5eba67bd5f40efd2f39e240cac024b3176f2de354e9eda8b54a",
    "signature": "0x503cadcf1eb453bf067e74bde50e8d0454b3006b5aba9b35a97ef82729f492c83ee04308768e6b6815ea2e7f56940c649d2d69d53397d3bb1d1ab5443b203f551b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}