{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0xb525f81348bd8bd5f65e585d50d3ae5005a4fba839134bd69645e45b14879248",
    "signature": "0xbc292c99a867666be7a879141c7421d8fa9fbbdcb27670322ff69c1e75d89ce23595ee221dd432e093e478e7702f6ea8904606adf334660db8031d45579448c21c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}