{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0xb9d5a2dd91038a2b77bca6806d58c8520dfddbf54c9a9f55474d0db5c776e500",
    "signature": "0x5122faba7e7c9b801787323c52fd34b5dd05b532e23498f29edd6009e8f69b571686f9ba8f674d7fbf89ce1c89113dd03738d542891b1e0d51be4fdbfa6871aa1c",
    "signer": "0x575469aeC38879f6875E4A873418767be2aC42f7",
    "userId": "690301336"
  }
}