{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x07b2c17be8c9b41838d0cc14dc9679b95827de0e6a0b51649675a3afdc65ed7a",
    "signature": "0x18f62a358fbef3a09d5fa6059fe125d86f2049f1512ade1937859a239cf9241903227ba4a67570301152f78374d6163322fc277a9592e73a9eeb0226dbc10f9f1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}