{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xbfa7695316b16a4a5470890304484d87c432076b74d91401d51e66ad9b230b7f",
    "signature": "0xaa0ad86c537c29aed76261bd3ab053bab4c135267e6887ca8920f2f7cab8eca27af219bcfa30cb7c5c428a29b119e484544b7e552cf7811a423e4d4d93838b0b1b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}