{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78384",
    "entityType": "User",
    "nonce": "0x6e240266c3a34a4ae17ca0b0d0db7fba354fd8a9dc19a3714e1fe3796776137c",
    "signature": "0xa85131a2d0d0af41a82a711198cc59a2a74b9e1d12abd6c4956beb77e6bea2f26fd862169f1440409eb7ce1d483aa542bb1ad636734aa0d9af97e7191ac69f061c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}