{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157176",
    "entityType": "User",
    "nonce": "0x7faad7f6853a1d7ddfdee06411beda2dc23c94f17539ab20c226d88c2a90d493",
    "signature": "0x76ca166bbb60491906930be04b5eb4daee563249bb9fed89b31eb4fab4e9515165b5f95b73a173d2814ef628dcd9c228b00d07cba85a7cca71b5406185c077201b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}