{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0x34fdc079b30abeb44343530633185d1ec944e303dcb9906d8b27715f5f74957b",
    "signature": "0x5c29154592ed8006013d0eb5b47f7eb2d994527359b1a4303d8933d3f1aa860856003aeeb01158993c6f198a12b090418d8883e48244cc8bdad13a4ead9e7e7d1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}