{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979358380",
    "entityType": "User",
    "nonce": "0x6844536d5d62b685af13bb48f3315bb1fb280dbc75f3ca6472fc092da1d193a1",
    "signature": "0x2d56390508bd631565185ddd5997afe32925d846859318a115f32c9048fdb0462d1a3ae56abe4f6a2b418e90d07644697741e1c45ba733c360f68c6000b63cd91b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}