{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0x1846667ccad9a27261d62f1e28b2096fdf6e56fcd7501bf1df5a1b05dd087293",
    "signature": "0x688c47319b9998058f25638e9f4ddbda75fd0e20cd46a6e8fd08e38810650701525f30983e8714cfe19f2c2def685b4f1f5030a734b04855ef76edc3afef5ca81c",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}