{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211200",
    "entityType": "User",
    "nonce": "0xd0e2bccba228768e8c0b5a30208bd6456573c979215fd42029c00b9903dccf5f",
    "signature": "0x7aaf6d41601b88eaf88241dd252520d1df2b6c1600cb504160bdd6ef8aa54e606aac1a85ab30155983268af817be13313d87c202b15a4c8abadea4dc01eeb6c91b",
    "signer": "0x6230b5bdF02333c0180266085036F2DBb9977d0D",
    "userId": "570701364"
  }
}