{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120375",
    "entityType": "User",
    "nonce": "0x14513b3a3dc7cdac568f801c5d6040f679fe81b939681576058ebef16a2d4e55",
    "signature": "0xb772d4762dd1e7c9c9c93fc6512605978ce60bc6d4d5a47fb45f7279970a4554231e59a4a486ed53efcfba65f65754c2f4ff0c2ba44bf8c891154f99c70609001b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}