{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53010",
    "entityType": "User",
    "nonce": "0xf065fcc560f2a7875741927ac0f3c90e635c170d803ee895f9965f33afd6a255",
    "signature": "0xc1d76b676b7090bfb77131201ccbb8b1b68065c3853132a9d7d0db54b025d32b61c16766510a6237a135fc8d5493008a382acf3f080155b0ccd4ed21928654c51b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}