{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "257552",
    "entityType": "User",
    "nonce": "0x92b9270959f60dedd593287a0248c4f86c883a4f5a2bd12bff3708bedaef2606",
    "signature": "0xe801d5a8509a42ff2a7ecbc6437d3e8e051fd75be0e0c3a68257fcc57ec58c510af0f73956cde29d52da0d97a3d42e3cf09cc53232a872638ab69e79ed686f571c",
    "signer": "0x1E097836b696E63387992B7402dCcEF7842F477a",
    "userId": "525334885"
  }
}