{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "889486955",
    "entityType": "User",
    "nonce": "0x2b32e9f73f45dcbae5f6d1088bd2285a7248e7dba2ad00b8f2428c1ea2122880",
    "signature": "0x845b77496b6c95ec95e825baa55668d5da71ba40089b5cf1f74d010b10908bdd5d1820afa890a22f3e643b9cf069695b4df30f0aa9aef6ccf21d8689a9f7942c1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "175162"
  }
}