{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15347647",
    "entityType": "User",
    "nonce": "0x53a520b0dda4b9d8d962f10ba7faff42d1f350b6ebbed0da0a25c9ba025e1e2b",
    "signature": "0xc495c8d52a065d3b214f6831f6f77f41a642fb127ab70eb67e1abef01df4f81d5ec3e5bda3d46bd21ee4a7e98dbd5ba4b7fdaa90b63eeec54e9fcc6574769ca11b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}