{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349282",
    "entityType": "User",
    "nonce": "0x5ead95188e643bc34d749104c868439567209efd57701c966cb4f9c2ae953f74",
    "signature": "0x7e03d730d9bb7a569d445b89552b8077114e1a70f77a34b712beaaf37ba368f95d0b87ea696555d1ba31e2df18a785594d201d24abcf8eff083931546a59bf691c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}