{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "479619",
    "entityType": "User",
    "nonce": "0xf0e1964a40fdac4005ce51c63e5a660d0dc7274a0ee836eab988caf0618d61b1",
    "signature": "0x07af324b6b3f4496d14135ab3e4f1902a200b766e28e3d3e0c9b03981ff2ad876287840df4db64c60ffc1f6a3f7100d6e6f139c8af27aab8a54facd4f94f860d1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}