{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3571",
    "entityType": "User",
    "nonce": "0xa843daede2a250fc0d91ede91368d2610698b6e7aa65358805859e0b82270674",
    "signature": "0x941813e3f3ce1f3049c5f535750072bdeeaf4d981bef1617c0ed5979f1bda2893faa236946334c06ce6161841864ded74c5453aee004016ff1ff8e1089c79bde1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}