{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5680",
    "entityType": "User",
    "nonce": "0xf0901f7c548ed3de347548b31f3ff558bbf7ce1ca08724ae67c775e9a58d209f",
    "signature": "0x171e1057eaf7f47c9589c394dc1bba45c545e2a8107a65bb0b25676d97f64e4323ec61bb4e11782bbc4f1b248085b56249e4d78221c8d0324f6dd4472d6566071b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}