{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153030",
    "entityType": "User",
    "nonce": "0xefb80a490e4091ffd36f41f81401f6b1655d4fb42793efa13744dd544fc4c882",
    "signature": "0x972bf52b6c3d64cee89f93566201761c15e29e2b556dcb8c328ee1e3b422210b5ddddebb64f784d1a215f948fd22d1ae4124690b352b9b0318e81b0484de647e1b",
    "signer": "0xae68738973A5F5B794fb5Fb0C25d50737ea132eF",
    "userId": "929742568"
  }
}