{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "345811967",
    "entityType": "User",
    "nonce": "0x386d6cef930291fe85f09c2288e238da586c272ea624717b78dd43b4461d6f32",
    "signature": "0x0a8fb6f305e93bb6a9f0631b3071689d3ee74979ab15030f1f04220e6a2c65d951df9e846f2ba1ed78cc4a5cbca1f130a8da92fe90300156bdc4be8611df0e381c",
    "signer": "0x8714181b6CC4ef4089058190cEA8db6ff1a85b62",
    "userId": "295478826"
  }
}