{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373130",
    "entityType": "User",
    "nonce": "0x598dcc9d6d9696afa5371577c84dcea0a1fd34e570fe32d3dc09766ea410032e",
    "signature": "0xe47ded944af0bf7dad5e61a9cb6d9f60e847e659929c4d633f04f9bb3cf81e4b3dd5a791fea2adb48d8ffdae4373e82d394783ae410513a0203d613142aef0391c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}