{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4867",
    "entityType": "User",
    "nonce": "0x4db043dd3ab9fb9512127754817f26ab4a41965ffe3f325e85b794b5daca5be5",
    "signature": "0x812ce621b1b18fb87f51621dbc2d4679b6add6267a9210fa97b0c56d16ce66c818580f357729fdc0b2f6b4c5fc02b08e407cc553c85664460c2303685807aa701b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}