{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x20e86d09ec4c92f8c07887725586a41bec039f0a030bfcc04cb0be4854e22167",
    "signature": "0x5f7e77ec11dd77907505c09340a60172133949d3ea21ee238dc6baa8537adb48414b9806743150349f822cc6157aab9dbc2fb0f9ee645ca3428fdbb831a87f381b",
    "signer": "0x97F61383fB40dB0989b83B5324ca1e9e6a618592",
    "userId": "360615955"
  }
}