{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51154",
    "entityType": "User",
    "nonce": "0x20bd6058cb8708f68ef26ec38418224b4dd5865781216e74a003c94dfd7b1574",
    "signature": "0x5cbc8e8a0db11792b794a858f22fb7795f0d96a97944ee418dc4113c1fa74e9518a1f82ce7573121b4586f326d3fc8d5e920a897e67b2ca40b9007fe42bc7bad1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}