{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40006",
    "entityType": "User",
    "nonce": "0x13f95060840ddc58ca43ca9eec7602557632b3454b5330834ba67f39b7b8935b",
    "signature": "0x94ff459b6706ca36794e35edbecf11478af0d40b7c60e26b9efb01933c01fcac7f9930e0b385920e7ad79f190b9befbf4a8f2c71d221b25dd7e7fb17e29857331b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}