{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x984893c17fdcf6423bfc905f0fbfb1a982c5098673e3f3d3b8349ed4189e8579",
    "signature": "0x90f81884b0e429e074b333bc02fb05801d8a3b4e063777a202900af83b569946729745048d4445cc1b2011e9ca6206fbc9c62283b99620a8b5a3d26ab402278b1b",
    "signer": "0x73E2794DB81EBdF032b2885674F93Dc04A35B6e3",
    "userId": "564914527"
  }
}