{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62778",
    "entityType": "User",
    "nonce": "0x32b1ec534bbc54f70ad5fd7a1e05bb3accf4268ec7ee21d8bd30c32033aca2b4",
    "signature": "0xbae6d22e6ef23e2283148d0dd4b88ef92afcc4866f78115625464f6898ab0b3f59418f33e7d5b1e26d86aeee62834672750e5fd4bfc51117ebbc4b907a529d061b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}