{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646095",
    "entityType": "User",
    "nonce": "0xedfcde251bc044f05652642f2645ba8034da194ddbcdacbd825af5afc31ad0e1",
    "signature": "0x271754b96d8bea1011c2075113cb951465d9d96a53cf88b081e52235fbcb347b34d1f9e3881b34ac357f65b2b47a0d779166acb994f6aed639650d5ea8909dfb1b",
    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}