{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1810940",
    "entityType": "User",
    "nonce": "0x82ceadba609959a80b50a3f76f10f5cbc889c66cba3deb72c94b9f9c102432fc",
    "signature": "0x11262821a7c5b5d10fe8088d0fbbcbe72db62ee180ce9f07af5bf6276584d6e86939ed70509c0212f86b7925f2ddf1a1ab1e89ffc31c33d525a98633ce9aaca71b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}