{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64496",
    "entityType": "User",
    "nonce": "0x6291bb5062d055c4cb1e51b6229ea7b0dd03ae3e5961437e6c11f81ef9ba286b",
    "signature": "0xaa1bc3e165af4c6df541bec93c456db10f571fa1e8208ccc24b9cfd8e4fd3a842f74bdd150c2d9c01e0548b4e96843cbbbee5f61b0bc78de650a1bc8e56fb5581c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}