{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183565516",
    "entityType": "User",
    "nonce": "0xa953c87a9a57e676a81f11cf346ab22385729993b050f4e81633b94c52e22907",
    "signature": "0x50b4068aaaceade2cd95730860bfcc61341976b5a0a25ef7fc3336f63824ad4a2a9c18f4abc0d3d79e048d0c236028b18cb82e00827539b9e585f97da5e8208a1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}