{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5756",
    "entityType": "User",
    "nonce": "0x4ce0f9899997a839e8b5a70a008cfa14b264043ef3a15b5c2a4b8bae5839e2ca",
    "signature": "0xa9a45417c20107878bedc7cb2a380f86c80e99ce545cb03dab1a523e19985cde3867415d9079f3b03795f2217185ef837cba23fda4112c7badc30790f4cb85a51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}