{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101669",
    "entityType": "User",
    "nonce": "0x01393742887f15e0d0f84321989225676b965985f3dc2a4931db45e4b5dd6135",
    "signature": "0x0acb6ffb15958a0d7bb96be0bc1e70d3ce4a51cac1607603998f1ca64e450edd335a6476dded6130361360c5101595ca0c68ca8d1a289b325680d6473741af331c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}