{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61776",
    "entityType": "User",
    "nonce": "0x4eb4f1b62a87dba3eb27bb3b5fda2fe501fb2584fda5c5ab37561ae54762534d",
    "signature": "0x400abfe7c52c983ef118ae87b7786b7db3d831fae38495c7cb2f4a916f8c66d05b3961c08e76fa2ec49d9250da6e75271e8ad4a87f3ae54c8aa1a208b0a93d601b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}