{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7f23810a73fc61e2b40875df4917ebcfbba8af9bd3019d3230bebd1530ba6742",
    "signature": "0x8301a69095affd66ef3c337c3b11481460892b30971fa66856865538f177ade45d61c9fc3c1ca52895bdc3f1c4823adea3c6f716ac2e63051b01c908552635ed1c",
    "signer": "0xDBED24A1CdC3686848e24b39D670d070Bf9A8529",
    "userId": "268355892"
  }
}