{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132728",
    "entityType": "User",
    "nonce": "0x9ea4250a3581e2be32d340b7139e56c8d6e8faa41dd492c8b0849b68bddde4e9",
    "signature": "0xae05b0f7c89172eeff5ff3a3113dd7511e94f3ae718527cc849cf873441e12496bddd44ea2da09ad4828c6371abc16a7fbb21e884218ac4c995b8462134d76dd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}