{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948556978",
    "entityType": "User",
    "nonce": "0x79354064bc73c39f82cc6f581ac17deca8910226d28ff7a58fe49b70f7fee20b",
    "signature": "0x9124ef2a3de061c491315a885d4bf93e60c25278ea93cdb7961f37a35cecd6a87d9df0fcc90df336a3c28b47004e6a413e9eeb61fcb85021e6a3ecaa9055ec7a1c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}