{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x338b0a1e7c082d77460686c51713dd1a2d40192c0e2192b35ddc9b61d2d26882",
    "signature": "0x957f1b4438dacc0b332902d90c21c07ad6b5b50dc26003abfe425fb65c0e99180eaeaf96a5a1eb514956141a546baf29b4214fe0ff7aa0783a63e9ffdfea48121c",
    "signer": "0xF46d404cEDc9A5cc77B9Bc3303877b1BC6CAF166",
    "userId": "347680049"
  }
}