{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf643ccaa05a25694dd1153d10bcdeccfbb8a80fa7840a698469f3bdf454d7ae4",
    "signature": "0xec478f4cc2515751dd4c680af8be68765f608418c175a1af6eb35308d297ffbb5166a8bcdc691a6183bc75cc44df340a37c638e505c05427ad321fc0ea2395951b",
    "signer": "0x33F2ea0d831035543988062c41560F575f299Df6",
    "userId": "770632822"
  }
}