{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7b10b54b24f00e41ad5c20e17e9c1aedd28b758bb66ddcac17336bac9f628ccb",
    "signature": "0xc096177b24152d455f5b44ea8a6b214e170866885252ed8fe01d87f75be98e8e405911454f48143b08add5f88e5aa25e31ca82a86e7c70e819aab9390ab3f7571c",
    "signer": "0x18f6eFA22818760264830C10172033AD3D5b5Ca7",
    "userId": "487377016"
  }
}