{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360494",
    "entityType": "User",
    "nonce": "0xb6395cc4b3ef9c74c09b8c443c1d86394cf9c34ce08ac2bb3353626678ee9c5a",
    "signature": "0x00138902c0932f228249fa35ce90f06f8bda9715b6afa4af097378b9c06811c63722a9313119812167aceeb1a5bdb01a4f2b4fd72e7f0c6d66be07d0669a1ef61b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}