{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871929900",
    "entityType": "User",
    "nonce": "0x667f6b9b3170ba5de0618d17aaf191fda8ec91399f9a3f2f3d87a7dd682e1d62",
    "signature": "0xfa5030632a44ae50681df79cb97d421ae4fe15f66729c4c7ebf1e0cb2552ae7012046e91e649738db249dd2e16b94e416ea2fbe6cab5243c49e494d066e5eef51b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}