{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0x9d8c06f8b0fd81b1c01611ec0ab1b8308dbce6a773f3e7b1f20546fa7716f0a8",
    "signature": "0xa62c12a444b015090948207ccee6b1c2ea82619e8e68051d10e19e7deb3f569c1a305aa50bad0a534bb7717141e3df36d8b0ca449aad9990642efbb6167eb74f1c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}