{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49294",
    "entityType": "User",
    "nonce": "0xee7f581b34c434a3c597fcbc7e37c1f697881d67a108cd873d046ceca04ad62b",
    "signature": "0xa977053bd5eec7d1d9cc91d380cdca06c25f87d4df51c00aeb8f8933d55452ad1cb676e68b7adf45a7b364a2daa204579c5b7ad68d4468224e2006e8f25777381b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}