{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311859068",
    "entityType": "User",
    "nonce": "0x4fc6383d61c43121cf2f49fed0050fb190bbea4929482a61b3789d78e6c0e4e8",
    "signature": "0xe3ee5d6d68b57ef84651aafacebedcc3bbb01ea6aabc6ed9853df60d9993aaed3982a6bb979e313870e83c1397a9bc8667f972cdd26872f941cc5ad2fec898311c",
    "signer": "0x1Ef5331d98352E3A7eb4f177ae6BbD27cA99eD1B",
    "userId": "771602835"
  }
}