{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189016",
    "entityType": "User",
    "nonce": "0x8341f32c0efc979b0fb7b969315c18332f0438ad55d803a1ab48946d5af98ca8",
    "signature": "0xa779f9dc8195b154bf0d3441134bc18e5e8e6d9ccff59d2bc7dae917710beefe4f812e50929f3adfd7aef308ccef32b46c400d0dc317457e8af4b1a3cc8376201c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}