{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276747",
    "entityType": "User",
    "nonce": "0x972ecf67e27097337135eca4c73da7d80a22dadb046517d307186572e87b3cd2",
    "signature": "0x86ef5b4511f84c320abeec9d0983a58292bf53ce75adb5b0df0e9d4414dcb92a3e23e66d89acb27284e4fdf8e9e486e881a748af8b77ad499d702b7236035b8b1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}