{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "365601773",
    "entityType": "User",
    "nonce": "0xde9b3ed52a85941fa34df5c06d3ba254679779ddb719c775548c3e8dfbb462f9",
    "signature": "0x84ad3df65d005c52849e47f21213710a0302f8bf9fed710dbb479e9cdb6748b82c1b7143944324c2e71a08f3a748e5700c00d3ff70e049ab004e23c2ea9589aa1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}