{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61328",
    "entityType": "User",
    "nonce": "0x359c9bb6624d8161f4d5b93e795123c1e79bce7a3590402e6452256336c50753",
    "signature": "0x898373f1e18a46e2e3b0dc40938122656d57dbf126e3039ee4144af170c854830c6918d542b6220de09b5154a653de83943e3298212e5cc3165663adeb86c8d01b",
    "signer": "0xDf2703a0e0BdF6F16Fb1Af235270d63591FE1C5c",
    "userId": "364896001"
  }
}