{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x27492558be13e06ff87a98204c3c82422fb34a6247e4b56b245c041f8d5533d0",
    "signature": "0x7eb02818defd7d18185ef544d8f1e48bb7a96985c8788c42100108c982e275820af74fdd33bcedba9afb22693e2cb4b350369f2af8584fea37773086bf404d411c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}