{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59297043",
    "entityType": "User",
    "nonce": "0x8e0843729bcf326f680eb1e03b749699470ed62ccb4cd0ba313ecc66d62e6fa9",
    "signature": "0x830a3522f46540140f3d9501ad2e5d98a51c91987e37389ff299962b2aefedf25990cca009f0709f65b27edadea15a9ecb626c75309e4868aa84658dd00542681c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}