{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xf27122ad5365e6060fc967a961671ad044c1c78c170ef4ec08a3988e82328f94",
    "signature": "0x47d1963352e00826d40db996f89ca3ec3055d8772d28ecb635edc88f5a2f8b263e954c32fe462a79ce4e2078a9da636f8c83a78b191ceb707df048297e15e9bb1b",
    "signer": "0x6F41AA445440dEABD6B921ffaF3e9F76138B658e",
    "userId": "155117491"
  }
}