{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53171",
    "entityType": "User",
    "nonce": "0x26ea7a2374bf665bc8240f7a47cf9a0e75a3d9cde9c3e643a348ff99a65f0e41",
    "signature": "0xe2e289ed1e5497673cd111b7edffaec55b2a76b40851ffdbe243f76122015d582621ceca69c2fb5901f065fd3a14be3e932cc284d8fcccab8b289fc1d411173c1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}