{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2b06bbf05457d6ff1a3933300dfe72626d956309e0001e883a4a52fbdeff281c",
    "signature": "0x87d8520840ea88e84de840dba4a52db5ef49bff36d581e5a9e5d2b7539f4ebc04a1ee80578e715a5136e1d585170f24ea8d01ae4ae5f0b656b8ea1973ea7a1c31b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}