{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363771",
    "entityType": "User",
    "nonce": "0x70d13a7eb9afa781f3c1b0159f9b060ee5b3d6f937c9ca4073d0c89d927df906",
    "signature": "0xb531cffa735909d015d0d0f1c196fd4cadc46a0dfca0f3723d12d2da62a334fb227efb22f1eb7671af680687ea45f471806cf65ef2eb02d7337190f247bef8001b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}