{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe2ade12f1b08ee1cb24af5fcc8ea9e6541fca42c8423989aa103eb085af76e2d",
    "signature": "0x65a5e5f8d5f2cd24f05efa2aec98b28009792a62b09cf7b126a40ee3a776f2c25e32ecfb424e0626797324503c6d89dfd24eeaf6c3e15869e1599be93285c0d01b",
    "signer": "0x5b8BFea922d3E94c01D9b58040d1Cb4E8BE244EF",
    "userId": "154085595"
  }
}