{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x11ffe89af2ec07f4cf7f08d7eb4bd21274b58ad9fee58e11791daff9193f055e",
    "signature": "0x405217fa0ddfcb90f033b122368c18d9667919edf0e1e3526299c019d235e87e216cf296ad11a367481ec6c01839cc09e22edbf503916985473d89067ce2f6bf1b",
    "signer": "0x7Fca0754B90893F156B055e62d9ae45AE2dF4686",
    "userId": "308196323"
  }
}