{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xe43c80af412e980d2efc7cb7c67e98e9f81fbb85f07888552030299d187268fa",
    "signature": "0x3d07a24d1c58ca1f309a9f659174acbbff6703d5ed8e0cdfbad012f3c408c51a4867fef799148cc1441415e3d3301927267e0d4e08eecbe92776c73759348ac61c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}