{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111540320",
    "entityType": "User",
    "nonce": "0x4f4f10110e3b0fa78a8c77ed4449de40b22e6135e2fa28f41228119a01485775",
    "signature": "0x19525fc8aa424fa2a6594297ebe76002b06fc651c841df2fa5a24abe0d2848c1254ce1e6100267dcb0b5774bb89ff4e6d996814111ddbd3978ff5e3eb1cc54751c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}