{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x55b9543769d5b63f8ca31d757c0add15c0e1b69852cbc221879244299290dcfa",
    "signature": "0x38f0408848dbc0985618b523dfbb02fbd2264d96e389158ccb130c5242e45ccb0493e50568389ef2598a3790c150f19f49a03eef5b0344b79546812dba936c601c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}