{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "759449",
    "entityType": "User",
    "nonce": "0xc3f92334879b866798528c631209167b9a56ba060119780cc0541c22045810ec",
    "signature": "0x3928b1bbda8f77559f501cbb882edefc20679ebe7e5e2e75bed4515aedfdee9062618c662baf69ff6f3c23373232d3bde52d3ae24df5805922dd16af5575fa391b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}