{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137925",
    "entityType": "User",
    "nonce": "0xf468c529aa94858f3bfa206fd75e4d9cfe55553a8efa2bff3b825ddb0e7070e3",
    "signature": "0x92eae51a949e269a1b3869b1e05cce810e3bd7564a72e7c066c170fd7bcd3d5f0c7184426971732ce2cb46584559553455c1ee3a06dd9ef6299d78a36cd25f491c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}