{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6183",
    "entityType": "User",
    "nonce": "0x70c6697e533a2ead0aadac538c7e87a150374de67a44a032eb7a58aad78c3c1a",
    "signature": "0x6d51e9e3a5dfc570d496770ba409a75263a0060dc84936587103c4be57b391ce43e23b1007d11f6360fed9ddbf92a16efeb73bc5e35c18eaa643a44f1e3cf66c1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}