{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd678e4d56aa99d54e65d3d84e4b385731530a21052b632919f3e57cad246be83",
    "signature": "0x601b7a3a9faeacd3a0958dac7bf159a2d7591364bc4475319ed6917f7782a6fa7bd981a9946f13241775fba15f04a4ad520fec7eb560ccf50510f021a4ad30f71c",
    "signer": "0xF08997AB0cacc0dcE42E168B7A60fCB32D8ABCDd",
    "userId": "95997170"
  }
}