{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x08b0c6cf5afeb4996b82ded7607660dd21f77e9672d66256c0ced2b7bc542e75",
    "signature": "0x195c86a124a1de0308762f4025ef0ba689775d1f5ff67ea9421e35b0bda25a11633bb45105f0246b4841f3c53af4f7dcb8e758f4d73b4e0747c4f9091277ce8d1b",
    "signer": "0xb11F5A2F6Cc92F6b1AD888aF10B689Cd336b8d7E",
    "userId": "174344562"
  }
}