{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145735",
    "entityType": "User",
    "nonce": "0x11437b36035f4eb27374d0da3a07501a65dc3ff9c03c883200576498291788fd",
    "signature": "0x170620099a32a0535d43bde2e96b78b6e01b1c20ba191373fa90820eabed975c2c27e453222d668e10f150ce6939131e9c3abc9fe938df2ce42cf1c1fbd8c31a1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}