{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418596051",
    "entityType": "User",
    "nonce": "0x22a2e1c41a9f4b8bf0a4977e767b57df205d77d785f16a2b617aa588286ad84c",
    "signature": "0x5f1de11e2ac98d599bdef8076444cf89d3afd457515d0ede0bc592c3f4bae36519e27863e4073605fb24e3799489ab925a6706f2dbe421a1b8fa6165b74d5c801b",
    "signer": "0xd6F1269ac846201d7f6d5574279594D67A06bBb2",
    "userId": "624634439"
  }
}