{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x8206e4fc24c6f523bb06217085799db7d4d5d92f2d05bc1905cbd442b1cffc9c",
    "signature": "0x491a4a9b0dac03cdc92933779fec776a7d605d06f509b3368de43d9ac1a542e919c18c54f967e6b5b57a4541139d9cea3a9f948598e0f4c243e65300ffce6f9a1c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}