{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x31b2773602b0870a91bfd5a05ed8533535c2328470e63a70234b304627f847ad",
    "signature": "0xd446c4b7ec14edbc82e65f293f87590be5674b2f337fa1d9cbcd111778feefaf5d74249d6c2eb0438f76b0e73a6fa88fb8b086c4de9d9e418245d55e4f593ce91c",
    "signer": "0x5b2F3F58c9c7f7A4C88db0bD454A1920416Ff15d",
    "userId": "51387"
  }
}