{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "252316",
    "entityType": "User",
    "nonce": "0xa2d1fef87dabb9a92b88477377a97ca0b83549fb96e0112c70e1dc2770a76cf3",
    "signature": "0x9e388b243db74d162ac62af7fa99d0e811f60879c30df1f799c84c563530bad84ab8aacd0c41aa264ee7180865e9771f01a4729bb69d132d4086f2947028490e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}