{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2413",
    "entityType": "User",
    "nonce": "0xeb9143edc63ff35b1c195ce1ba7e2806857899e1073195612d26253ec0873997",
    "signature": "0xf81585f006fc3983b79b289d830612382b4865ca252567f9c20885e05834e03c436fdeb5677fdb2a6e000afc58d57b4f304ace43464fe89c43725f32c47d7e751b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}