{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294973155",
    "entityType": "User",
    "nonce": "0x806b1571888e6700cf09c1c08c982b33c1a358b32f29ebf7e89c2cb86eb4c0e5",
    "signature": "0x49d2833e6d312e54a7097e0e1a243061f99a344d4e639f736796bfe5871636d805b1ec5c4543f0a1d77218eca86017263cdd88c548d2507856bca27e80445b271c",
    "signer": "0x689Be5c20E6Da52e11A70751E9FaCb05Abbc7805",
    "userId": "676830468"
  }
}