{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11672",
    "entityType": "User",
    "nonce": "0x34170ce1dbd28033d6a558fcbbe9646fabfbf2d554bd15acb5b67fb8ebb8c7cd",
    "signature": "0x102376fbbbbf2322b5637bac190d0797662851a5a02988d534d1356b7074f2974c080091fcd364a3d01ddf9ded9693c6581235f4c8307e2faab6e3f2b1cce2fd1b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}