{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279223861",
    "entityType": "User",
    "nonce": "0xd5b772c6f60c51a30f24c4232e105f9344a74dec5a22eaecb983654cd0f7c84e",
    "signature": "0x36b11a969771ecc68e5bad54ba535a682a77427cc57213b29ab0f43a965af6341a7f7da47af9a610dacb70e52d25e1159ec24c9613e5468d1ff50676ba0430911c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}