{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x8dcee297d341217689d73e391091ca64065059219996cfbb1aca08268789f01a",
    "signature": "0x2359d687bf71ba965c1d54e7f20c3e100003b6ae4bba7db170b4a89838d5c42b64f06642f8640fb37098a768fae21867ef26f7f83cf23e80a6963eaea0a570b71c",
    "signer": "0xCdc93AdC0b13f40f409Fb1110A8eBAF30018c5bE",
    "userId": "514442096"
  }
}